US Bridges

Nd 294-12th Ave N over I-29 Interchange

Fair

Cass County, North Dakota · JCT I-29-12th Ave N Fargo · Structure no. 0029066255

Built
1965
60 years old, rebuilt 2007
Condition
Fair
inspected June 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
271 ft
4 main spans
Daily traffic
18,500
2019 count
Owner
State
State Highway Agency

About this bridge

Nd 294-12th Ave N over I-29 Interchange is a prestressed concrete continuous box beam or girders - single or spread carrying Nd 294-12th Ave N over I-29 Interchange in Cass County, North Dakota. It was built in 1965 and reconstructed in 2007, so it is 60 years old, older than the North Dakota average of 48.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 18,500 vehicles a day, roughly 4% of them trucks, projected to reach 18,500 by 2039. The structure is 271 ft (82.6 m) long and 109 ft wide.

Location

Open in Google Maps
CarriesNd 294-12th Ave N
CrossesI-29 Interchange
LocationJCT I-29-12th Ave N Fargo
RouteState Highway 294
CountyCass County
StateNorth Dakota
Coordinates46.89063, -96.83944
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87.1 US tons
Inventory rating45.7 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length271 ft (82.6 m)
Longest span66 ft (20.1 m)
Deck width109 ft (33.3 m)
Roadway width96 ft (29.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,500 (2019)
Projected traffic18,500 by 2039
Trucks4%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Nd 294-12th Ave N over I-29 Interchange built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 2007.

What condition is Nd 294-12th Ave N over I-29 Interchange in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2024.

How much traffic does Nd 294-12th Ave N over I-29 Interchange carry?

About 18,500 vehicles per day (2019 count), of which roughly 4% are trucks.

How long is Nd 294-12th Ave N over I-29 Interchange?

The structure is 271 ft (82.6 m) long with a longest span of 66 ft (20.1 m) and a deck 109 ft wide.

Who owns Nd 294-12th Ave N over I-29 Interchange?

It is owned by the State Highway Agency.